The Macon County Supervisor of Assessments Office has several different roles in the assessment of property in the local property tax cycle. The office strives to administer an accurate, fair, and uniform assessment of all real property in Macon County in accordance with and as mandated by the Illinois Property Tax Code.

Several functions of the office include providing help to local township assessors, administering exemptions, maintaining a cadastral map system, and maintaining property record card information.

The Supervisor of Assessments also applies equalization factors within the county, sends assessment notices and publishes assessments in local newspapers.

Finally the Supervisor of Assessments acts as the Clerk for the Board of Review.